Canon RF-S 10-18mm f/4.5-6.3 IS STM
A tiny 150g APS-C ultrawide for Canon RF bodies, stabilized and built for vlogging, selfies, landscapes, interiors and travel. Its beginner positioning reflects the variable f/4.5-6.3 aperture rather than its versatility. It's a strong wide-angle companion for RF crop shooters who prize compactness over low-light speed.
Scores
BreakdownHideOverall59±6Caliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions.
Scores
BreakdownHideCaliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions.
The ± band on the overall score reflects sourcing confidence — wider when fewer specs are verified.
How each score is computed: our scoring methodology.
Specifications
| Spec | Value | Verification |
|---|---|---|
| mount | Canon RFFlagged | Flagged |
| coverage | APS-CFlagged | Flagged |
| focal length | 10 18mmSourced | Sourced |
| max aperture | f/4.5-6.3Sourced | Sourced |
| filter thread (mm) | 49Sourced | Sourced |
| stabilized | yesSourced | Sourced |
| weight (g) | 150Sourced | Sourced |
5/7 detail specs sourced · 2 flagged for verification. Amber rows are flagged for verification — we show them as reported, not confirmed.
Verdict
Best for
- APS-C ultrawide for Canon RF
- Vlogging and selfies
- Landscapes and interiors
- Travel
Who should skip this
- Low-light or astro shooters — the f/4.5-6.3 aperture gives up too much light for night work
- Full-frame RF bodies — it only covers the APS-C image circle on R7/R10/R50-class cameras
- Shallow-depth portrait hunters — an ultrawide at f/4.5 simply won't isolate a subject
Where to buy
List price $330
Prices are a guide and can change — confirm the current price on the retailer's site before buying.
Prices last checked Jul 16, 2026 — retailer prices change often, so click through for the current price.
Some links may be affiliate links — we may earn a commission at no extra cost to you; rankings are never influenced by it.
Ecosystem
Compatibility
Built around Canon RF mount. Make sure the rest of your build uses the same platform before you buy — mismatched sockets, mounts or standards are the most common return reason. Check it in the builder →
Upgrade path
Buying today, the Canon RF 50mm f/1.8 STM scores higher for less — the smarter pick in lenses unless you specifically want this one. See it →